package com.xjrsoft.common.factory;


import com.alibaba.fastjson.JSONObject;
import com.qcloud.cos.COSClient;
import com.qcloud.cos.ClientConfig;
import com.qcloud.cos.request.DelFileRequest;
import com.qcloud.cos.request.UploadFileRequest;
import com.qcloud.cos.sign.Credentials;
import com.xjrsoft.common.config.OSSConfig;
import org.apache.commons.io.IOUtils;

import java.io.IOException;
import java.io.InputStream;

/**
 * 腾讯云存储
 *
 * @author tzx
 */
public class QcloudCloudStorageService extends CloudStorageService {
    private COSClient client;

    public QcloudCloudStorageService(OSSConfig config) {
        this.config = config;

        //初始化
        init();
    }

    private void init() {
        Credentials credentials = new Credentials(config.getAppId(), config.getAccessKey(),
                config.getSecretKey());

        //初始化客户端配置
        ClientConfig clientConfig = new ClientConfig();
        //设置bucket所在的区域，华南：gz 华北：tj 华东：sh
        clientConfig.setRegion(config.getRegion());

        client = new COSClient(clientConfig, credentials);
    }

    @Override
    public String upload(byte[] data, String path) {
        //腾讯云必需要以"/"开头
        if (!path.startsWith("/")) {
            path = "/" + path;
        }

        //上传到腾讯云
        UploadFileRequest request = new UploadFileRequest(config.getBucketName(), path, data);
        String response = client.uploadFile(request);

        JSONObject jsonObject = JSONObject.parseObject(response);
        if (jsonObject.getInteger("code") != 0) {
            throw new RuntimeException("文件上传失败，" + jsonObject.getString("message"));
        }

        return config.getPrefix() + path;
    }

    @Override
    public String upload(InputStream inputStream, String path) {
        try {
            byte[] data = IOUtils.toByteArray(inputStream);
            return this.upload(data, path);
        } catch (IOException e) {
            throw new RuntimeException("上传文件失败", e);
        }
    }

    @Override
    public String uploadSuffix(byte[] data, String suffix) {
        return upload(data, getPath(config.getPrefix(), suffix));
    }

    @Override
    public String uploadSuffix(InputStream inputStream, String suffix) {
        return upload(inputStream, getPath(config.getPrefix(), suffix));
    }

    @Override
    public boolean delete(String objectName) {
        try {
            DelFileRequest request = new DelFileRequest(config.getBucketName(), objectName);
            String response = client.delFile(request);
            JSONObject jsonObject = JSONObject.parseObject(response);
            if (jsonObject.getInteger("code") != 0) {
                throw new RuntimeException("文件上传失败，" + jsonObject.getString("message"));
            }
        }catch (Exception e){
            throw new RuntimeException("文件上传失败，请检查配置" );
        }
        return true;
    }
}
